Siemens Temperature Monitoring Relay with DPDT Contacts, 24 → 240 V ac/dc. Time Delay: 0 → 999 s. Temperature Sensitivity: Overtemperature, Undertemperature. Temperature Sensing Range: -50 → +500°C. Maximum Operating Temperature: +60°C. Height: 106mm. Dimensions: 91 x 45 x 106 mm. Operating Temperature Range: -25 → +60 °C. Length: 91mm. Minimum Operating Temperature: -25°C. CAD Drawing: 3D CAD Model. Maximum Temperature Sensed: +500°C. Width: 45mm. MPN: 3RS1040-1GW50